Norovirus is highly contagious, often spread by food or on surfaces, particularly in crowded conditions. It is a short-lived ...

Norovirus outbreaks on cruise ships are spiking in 2025, with 13 reported incidents so far, nearly as many as all of last ...

Hand sanitizer alone doesn’t work well against norovirus, the CDC notes. Cruise lines have extensive sanitation protocols in place that are monitored through the CDC’s vessel program ...

The agency also found a “possible overreliance on hand sanitizer on ships” during a preliminary review. Those are not as effective against norovirus as washing hands with soap and water ...